Operating room ductwork and headwall



FIG. 1 is a front elevation of the operating room ductwork and headwall of Applicants' invention.

FIG. 2 is a top view of the operating room ductwork and headwall of Applicants' invention.

FIG. 3 is a bottom view of the operating room ductwork and headwall of Applicants' invention.

FIG. 4 is an elevation view taken from the right at 45 degrees to the view of FIG. 1, showing the left duct of the operating room ductwork and headwall of Applicants' invention; and,

FIG. 5 is an enlarged view of the area shown by the broken circle labeled No. 5 in FIG. 2.

There is no rear view shown, the same being unornamented and not visible in normal use of the invention.

The dashed lines are provided to show surrounding background and are not a part of the design.

The headwall is shown broken away to indicate undetermined length. 

What is claimed is the ornamental design for an operating room ductwork and headwall, as shown and described. 